January in Sirvan is the rainiest and the coldest month of the year. In January, the weather in Sirvan is typically cold. Average daily high temperature in January is about 3 degrees above zero. On average, Sirvan has 15 sunny, 10 rainy, and 6 partly cloudy days in January. The rains are usually heavy. January as well as February, March, and December is considered the most uncomfortable time to visit Sirvan.